pr05018.cpp

来自「c++编程宝典源码及Quincy99编译器 是《标准C++编程宝典》电子工业出」· C++ 代码 · 共 30 行

////////////////////////////////////////
// File Name: pr05018.cpp
////////////////////////////////////////
#include <iostream>

////////////////////////////////////////
// The main() function.
////////////////////////////////////////
int main()
{
    union
    {
        int quantity_todate;
        int quantity_balance;
    };

    std::cout << "Enter quantity to date: ";
    std::cin >> quantity_todate;

    std::cout << "Enter quantity sold: ";
    int quantity_sold;
    std::cin >> quantity_sold;

    quantity_todate -= quantity_sold;
    std::cout << "Quantity balance = "
              << quantity_balance;

    return 0;
}